Our client, a leading entity in the Defence & Security sector, is currently seeking a skilled Site Reliability / DevOps Engineer to join a dynamic team on a contract basis. This role involves working directly with clients to integrate and support highly critical live solutions while taking responsibility for release procedures and deployment tasks. Key Responsibilities: Deploying APIs and UI components into a Kubernetes cluster Integrating API / UI components with existing data stores and APIs Maintaining and developing existing architectural components, including Data Ingest, Data Stores and REST APIs written in Java Working as part of an SRE team for the maintenance, observability, and investigations of deployed systems Participating in sprint ceremonies with the agile team, including stand-ups, epic decomposition, demos, and planning sessions Assisting the wider team to understand upcoming API features and their impact Job Requirements: Required Skills: Experience with Java Proficiency in Kubernetes / OpenShift Linux Sys Admin for deployed clusters (10s of servers) Familiarity with various Linux Operating Systems distributions Experience with GitLab Knowledge of Helm Desirable Skills: Familiarity with any of the following technologies would be advantageous: Ansible Prometheus / Grafana Clickhouse (OLAP database) GitLab / Tekton Pipeline development Experience in integration and debugging Understanding of complex system architectures Technologically curious with the ability to upskill in new technologies Other Information: Location: Gloucester, with a minimum of 3 days per week at the customer site Clearance: Must already hold UKIC DV (ideally West) Duration: Through to 31/03/2026, with a high probability of extension IR35: Inside If you are an experienced Site Reliability / DevOps Engineer looking for a challenging role within the Defence & Security sector, we would love to hear from you. Apply now to join our client's innovative team